A 3D zombie shooting and survival game is called Zombie Reform. There is a leveling system in this game, and the zombies get tougher as you progress. There are 6 unique maps, and a new one is introduced every 12 levels. There is a warning before each level change.

Instructions

WASD = moveLeft-click = shootRight-click = switch cameraU = BazookaR = reloadC = crouch1 2 3 = switch weapons